I could jump you could jump she could jump we could jump you could jump they could jump
Forme en V-ing
I could be jumping you could be jumping she could be jumping we could be jumping you could be jumping they could be jumping
Perfect
I could have jumped you could have jumped she could have jumped we could have jumped you could have jumped they could have jumped
Perfect en V-ing
I could have been jumping you could have been jumping she could have been jumping we could have been jumping you could have been jumping they could have been jumping
Négation
Forme simple
I could not jump you could not jump she could not jump we could not jump you could not jump they could not jump
Forme en V-ing
I could not be jumping you could not be jumping she could not be jumping we could not be jumping you could not be jumping they could not be jumping
Perfect
I could not have jumped you could not have jumped she could not have jumped we could not have jumped you could not have jumped they could not have jumped
Perfect en V-ing
I could not have been jumping you could not have been jumping she could not have been jumping we could not have been jumping you could not have been jumping they could not have been jumping
Forme interrogative
Forme simple
could I jump? could you jump? could she jump? could we jump? could you jump? could they jump?
Forme en V-ing
could I be jumping? could you be jumping? could she be jumping? could we be jumping? could you be jumping? could they be jumping?
Perfect
could I have jumped? could you have jumped? could she have jumped? could we have jumped? could you have jumped? could they have jumped?
Perfect en V-ing
could I have been jumping? could you have been jumping? could she have been jumping? could we have been jumping? could you have been jumping? could they have been jumping?
Forme interro-négative
Forme simple
could I not jump? could you not jump? could she not jump? could we not jump? could you not jump? could they not jump?
Forme en V-ing
could I not be jumping? could you not be jumping? could she not be jumping? could we not be jumping? could you not be jumping? could they not be jumping?
Perfect
could I not have jumped? could you not have jumped? could she not have jumped? could we not have jumped? could you not have jumped? could they not have jumped?
Perfect en V-ing
could I not have been jumping? could you not have been jumping? could she not have been jumping? could we not have been jumping? could you not have been jumping? could they not have been jumping?